<template>
  <div class="app-container">
    <!--工具栏-->
    <div class="head-container">
      <div v-if="crud.props.searchToggle">
        <!-- 搜索 -->
        <label class="el-form-item-label">当前用户id</label>
        <el-input v-model="query.userId" clearable placeholder="当前用户id" style="width: 185px;" class="filter-item" @keyup.enter.native="crud.toQuery" />
        <label class="el-form-item-label">目标用户id</label>
        <el-input v-model="query.targetId" clearable placeholder="目标用户id" style="width: 185px;" class="filter-item" @keyup.enter.native="crud.toQuery" />
        <label class="el-form-item-label">最后消息</label>
        <el-input v-model="query.lastMessage" clearable placeholder="最后消息" style="width: 185px;" class="filter-item" @keyup.enter.native="crud.toQuery" />
        <label class="el-form-item-label">未读数量</label>
        <el-input v-model="query.unreadCount" clearable placeholder="未读数量" style="width: 185px;" class="filter-item" @keyup.enter.native="crud.toQuery" />
        <rrOperation :crud="crud" />
      </div>
      <!--如果想在工具栏加入更多按钮，可以使用插槽方式， slot = 'left' or 'right'-->
      <crudOperation :permission="permission" />
      <!--表单组件-->
      <el-dialog :close-on-click-modal="false" :before-close="crud.cancelCU" :visible.sync="crud.status.cu > 0" :title="crud.status.title" width="500px">
        <el-form ref="form" :model="form" :rules="rules" size="small" label-width="80px">
          <el-form-item label="id">
            <el-input v-model="form.id" style="width: 370px;" />
          </el-form-item>
          <el-form-item label="当前用户id">
            <el-input v-model="form.userId" style="width: 370px;" />
          </el-form-item>
          <el-form-item label="目标用户id">
            <el-input v-model="form.targetId" style="width: 370px;" />
          </el-form-item>
          <el-form-item label="最后消息">
            <el-input v-model="form.lastMessage" style="width: 370px;" />
          </el-form-item>
          <el-form-item label="未读数量">
            <el-input v-model="form.unreadCount" style="width: 370px;" />
          </el-form-item>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button type="text" @click="crud.cancelCU">取消</el-button>
          <el-button :loading="crud.status.cu === 2" type="primary" @click="crud.submitCU">确认</el-button>
        </div>
      </el-dialog>
      <!--表格渲染-->
      <el-table ref="table" v-loading="crud.loading" :data="crud.data" size="small" style="width: 100%;" @selection-change="crud.selectionChangeHandler">
        <el-table-column type="selection" width="55" />
        <el-table-column prop="id" label="id" />
        <el-table-column prop="nickName" label="当前用户" />
        <el-table-column prop="targetNickName" label="目标用户" />
        <el-table-column prop="lastMessage" label="最后消息" />
        <el-table-column prop="unreadCount" label="未读数量" />
        <el-table-column prop="lastTime" label="最后时间" />
        <el-table-column prop="createdAt" label="createdAt" />
        <el-table-column prop="updatedAt" label="updatedAt" />
        <el-table-column v-if="checkPer(['admin','chats:del'])" label="操作" width="150px" align="center">
          <template slot-scope="scope">
            <el-popover v-model="scope.row.pop" placement="top" width="180" trigger="manual" @show="onPopoverShow" @hide="onPopoverHide">
              <p>确定删除本条数据吗？</p>
              <div style="text-align: right; margin: 0">
                <el-button size="mini" type="text" @click="doCancel(scope.row)">取消</el-button>
                <el-button :loading="crud.dataStatus[crud.getDataId(scope.row)].delete === 2" type="primary" size="mini" @click="crud.doDelete(scope.row)">确定</el-button>
              </div>
              <el-button slot="reference" type="danger" icon="el-icon-delete" size="mini" @click.stop="toDelete(scope.row)" />
            </el-popover>
          </template>
        </el-table-column>
      </el-table>
      <!--分页组件-->
      <pagination />
    </div>
  </div>
</template>

<script>
import crudChats from '@/api/chats'
import CRUD, { presenter, header, form, crud } from '@crud/crud'
import rrOperation from '@crud/RR.operation'
import crudOperation from '@crud/CRUD.operation'
import pagination from '@crud/Pagination'

const defaultForm = { id: null, userId: null, targetId: null, lastMessage: null, unreadCount: null, lastTime: null, createdAt: null, updatedAt: null }
export default {
  name: 'Chats',
  components: { pagination, crudOperation, rrOperation },
  mixins: [presenter(), header(), form(defaultForm), crud()],
  cruds() {
    return CRUD({ title: '聊天列表', url: 'api/chats', idField: 'id', sort: 'id,desc', crudMethod: { ...crudChats }})
  },
  data() {
    return {
      permission: {
        add: ['admin', 'chats:add'],
        edit: ['admin', 'chats:edit'],
        del: ['admin', 'chats:del']
      },
      rules: {
      },
      queryTypeOptions: [
        { key: 'userId', display_name: '当前用户id' },
        { key: 'targetId', display_name: '目标用户id' },
        { key: 'lastMessage', display_name: '最后消息' },
        { key: 'unreadCount', display_name: '未读数量' }
      ]
    }
  },
  methods: {
    // 钩子：在获取表格数据之前执行，false 则代表不获取数据
    [CRUD.HOOK.beforeRefresh]() {
      return true
    }
  }
}
</script>

<style scoped>

</style>
